Sky-Watcher 0.77x Reducer/Flattener for Esprit 150ED Triplet - M48 Thread

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• Optically matched for the Sky-Watcher Esprit-150 ED Triplet refractor telescope. Provides a fully illuminated and corrected 36mm image circle suitable for sensor formats up to APS-C. This three-element focal reducer/flattener has a reduction factor of 0.77x. for imaging at f5.4. 55mm back focus for use with M48 Canon EOS or Nikon adaptor rings. Includes a standard adaptor with M48 thread. Removing the adaptor reveals an M71x1 internal thread with a maximum of 75mm back focus for self-made adaptor solutions.

  Features & Specification

  • Three-element design
  • Fully Multi-Coated optics
  • 36mm Imaging Circle
  • 2-Inch filter compatible
  • 75mm back-focus or 55mm with the supplied adapt3r
  • M42x0.75 adapter (T2)
  • Green anodized aluminum screw-on end caps
  • Net weight 910g (with end caps)

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• included items

  • Sky Watcher 0.77x Reducer/Flattener
  • M48 standard adapter